Amines REACH

Ethylmethylamine

CAS Number
624-78-2
EC Number
210-862-1
Chemical Formula
C3H9N
Molecular Weight
59.11 g/mol

Description

Ethylmethylamine (CAS 624-78-2), also referred to as N-methylethylamine, is a secondary aliphatic amine used as a reactive building block and process chemical across pharmaceutical, personal care, and specialty chemical manufacturing. Its secondary amine functionality makes it a practical intermediate for synthesizing active compounds and functional additives. In pharmaceutical synthesis, it serves as an alkylating agent or amine source in the preparation of API intermediates.

This chemical is essential where controlled reactivity and defined nitrogen substitution are required. Personal care formulators use it in the development of conditioning agents and buffering components where pH management is critical. In flavor chemistry, it contributes to the construction of nitrogen-containing aroma compounds targeting specific taste profiles. It also finds use as a curing agent or crosslinker in specialty resin and coating formulations.

These applications require secondary amine reactivity to ensure product stability and performance. Ethylmethylamine is supplied as a liquid, typically in bulk drums or isotanks suited for industrial quantities. Technical grade is the standard commercial offering, with high-purity grades available for pharmaceutical and flavor applications. Buyers should confirm concentration and stabilizer content with suppliers before purchase.

The product is often handled under inert conditions due to its volatility and reactive nature. Ensuring proper storage and handling protocols is vital for maintaining the integrity of the chemical during transport.

Other Names (Synonyms)

n-methylethylamine|n-ethyl-n-methylamine|n-methylethanamine|n-ethylmethylamine

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point -70.99°C (estimate)
Boiling Point 36.5 °C
Density 0.688 g/mL at 25 °C(lit.)
Flash Point <−30 °F
Appearance clear colorless to light yellow liquid
Color Clear colorless to light yellow
Form Liquid
Vapor Pressure 8.53 psi ( 20 °C)
Refractive Index n 20/D 1.374(lit.)
Log P 0.15

Documentation

Safety & Handling Learn More

Danger
GHS02· Flammable GHS05· Corrosive GHS06· Toxic GHS07· Irritant

Hazard Statements

H224 Extremely flammable liquid and vapor
H225 Highly Flammable liquid and vapor
H301 Toxic if swallowed
H302 Harmful if swallowed

Precautionary Statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.

Trade & Regulatory

HS Code 29211990
UN Number 2733
ADR Class 3
Packing Group I
Storage Class 3 - Flammable liquids
WGK (Germany) 2
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